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Individual Calculations September 2023 |
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| Sun, Sophia Total change: -45.20 | |   |
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| XXXIII Pan-American Youth Chess Festival - Under 12 Female | Chicago, IL | USA | 2023-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1299 | 1494 | 5.50 | 9 | -1.13 | 40 | -45.20 | |
|  Ameller Flores, Catalina | | | 1127 | BOL | 1.00 | 1 | 0.10 | 40 | 4.00 | |  Barrera Garcia, Fernanda Guadalu | | | 1248 | MEX | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Zhang, Ellery | | | 1388 | USA | 0.00 | 1 | -0.64 | 40 | -25.60 | | | Wadhwa, Ananya | | | 1323 | USA | 0.50 | 1 | -0.23 | 40 | -9.20 | | | Trivino Martinez, Alejandra Isab | | | 1158 | ECU | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Zhuge, Katherine | | | 1481 | USA | 0.50 | 1 | -0.02 | 40 | -0.80 | | | Gao, Lilianna | | | 1373 | USA | 1.00 | 1 | 0.34 | 40 | 13.60 | | | Chen, Rae | | | 1198 | CAN | 0.00 | 1 | -0.85 | 40 | -34.00 | | | Pardo Useche, Laura Valentina | | | 1392 | COL | 0.50 | 1 | -0.14 | 40 | -5.60 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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